Perhaps you should try some spelling variations:
hieu van » hieu va, thien van, lieu va
su triet » su viet, su tien, ve triet
tu sach » thu sach, su sach, te sach
sach ly » sach y, sach lo, sach ty
nam xuc » cam xuc, nam xua, nam thuc
va danh » va dinh, va dan, va hanh
danh vi » hanh vi, dinh vi, danh di
xuc va » duc va, tuc va, luc va
vi su » va su, ve su, ki su

You may be able to get more results by adjusting your search query.

• If you are trying to use Boolean operators, they must be ALL CAPS: tu sach ly ((hang va) OR (nang cao)) hoi. hieu van nam xuc va danh vi su triet~.
• Adding a wildcard symbol may retrieve word variants: tu sach ly ((hang va) or (nang cao)) hoi. hieu van nam xuc va danh vi su triet*.